Home / 123,019,924.40-184,403,915.40-71,875,617.20

Finding the Fourth Proportional to 123,019,924.40, 184,403,915.40 and 71,875,617.20

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Solution

The fourth proportional to 123,019,924.40, 184,403,915.40 and 71,875,617.20 is: 107,739,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,019,924.40 : 184,403,915.40 = 71,875,617.20 : x
  2. Step 2: Convert to fraction form
    123,019,924.40/184,403,915.40 = 71,875,617.20/x
  3. Step 3: Cross multiply
    123,019,924.40x = 184,403,915.40 × 71,875,617.20
  4. Step 4: Simplify right side
    123,019,924.40x = 13,254,145,233,471,586
  5. Step 5: Solve for x
    x = 13,254,145,233,471,586/123,019,924.40
  6. Step 6: Final answer
    x = 107,739,825.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.